Răspunsuri

2014-10-20T19:39:27+03:00
Bile rosii 9x3=27
bile albastre 27+5=32
2014-10-20T19:40:10+03:00
9+(9x3)+[(3x9)+5]=
9+27+(27+5)=
36+32=
68 de bile
9 bile albe
27 bile rosii
32 bile albastre